Sullair ShopTek ST45 - Page 5

ShopTek™ ST45, ST55, ST75 (U.S.A. & Mexico) Operation & Maintenance Manual Table of Contents
88292021-240 R01
Subject to EAR, ECCN EAR99 and related export control restrictions. 5
5.7 Motor overload protection.............................................................................................................. 30
5.8 Phase failure/reversal.................................................................................................................... 31
5.9 Run-on timer.................................................................................................................................. 31
Section 6: Maintenance..........................................................................................33
6.1 General.......................................................................................................................................... 33
6.2 Daily maintenance......................................................................................................................... 33
6.2.1 Before starting the compressor........................................................................................... 33
6.2.2 After starting the compressor..............................................................................................33
6.3 Recommended maintenance schedule ......................................................................................... 33
6.3.1 Service at 50 operating hours............................................................................................. 33
6.3.2 Service every 1000 operating hours ................................................................................... 34
6.3.3 Service every 2000 operating hours ................................................................................... 34
6.3.4 Service every 2000 operating hours (or six months) .......................................................... 34
6.3.5 Service every 4000 operating hours (or semi-annually) ..................................................... 34
6.3.6 Service every 10,000 hours ................................................................................................ 34
6.3.7 Compressor fluid levels....................................................................................................... 34
6.4 Compressor maintenance ............................................................................................................. 35
6.4.1 Adding compressor fluid ..................................................................................................... 35
6.4.2 Changing compressor fluid ................................................................................................. 35
6.4.3 Fluid filter maintenance....................................................................................................... 36
6.4.3.1 Replacing the fluid filter element ............................................................................... 36
6.4.4 Air filter maintenance .......................................................................................................... 36
6.4.4.1 Replacing the air filter element.................................................................................. 37
6.4.4.2 Inspecting the air filter element ................................................................................. 37
6.4.5 Purge oil return line filter maintenance ............................................................................... 37
6.4.6 Fluid/air separator maintenance ......................................................................................... 37
6.4.6.1 Replacing the fluid/air separator element.................................................................. 37
6.4.7 Minimum pressure valve maintenance .............................................................................. 38
6.4.8 Solenoid valve maintenance............................................................................................... 39
6.4.9 Drive coupling maintenance................................................................................................ 39
6.5 Main motor operation and maintenance........................................................................................ 39
6.5.1 Main motor operation.......................................................................................................... 39
6.5.2 Main motor maintenance and repair ................................................................................... 40
6.5.3 Periodic inspection of the main motor................................................................................. 40
6.5.3.1 Periodic inspection checklist ..................................................................................... 40
6.5.4 Check and clean the windings ............................................................................................ 40
6.5.4.1 Dry cloth .................................................................................................................... 40
6.5.4.2 Brush and vacuum .................................................................................................... 41
6.5.4.3 Compressed air ......................................................................................................... 41
6.5.4.4 Solvent ...................................................................................................................... 41
6.6 Troubleshooting............................................................................................................................. 41
Section 7: Parts List...............................................................................................43
7.1 Procedure for ordering parts.......................................................................................................... 43
7.2 Recommended spare parts list...................................................................................................... 44